Catherine Hanssen Associée

Catherine Hanssen

Professional Background

Catherine Hanssen is a Partner at Forvis Mazars, specialized in chartered accountancy and advisory services for small businesses. She began her career at Mazars in 1995 and was appointed Partner in 2018.

She supports a client base composed mainly of:

  • Small businesses (TPE)
  • SMEs (PME)
  • Craftsmen and local retailers
  • Her core sectors include:
  • Construction and building (BTP)
  • Real estate
  • Personal services

Advisory Expertise

Catherine Hanssen provides accounting and advisory support with a strong focus on:

  • Accounting and financial management for small businesses
  • Business structuring and day-to-day financial support
  • Tax and social security optimization for business owners and employees
  • Retirement planning for business leaders and employees (certified expertise from Université Paris Dauphine)

Professional Engagement

Catherine is actively involved in the accounting profession in France and holds elected positions within the profession:

  • Elected member of the French Institute of Chartered Accountants (Ordre des Experts-Comptables) since 2012
  • President of the Quality and Standards Commission
  • Treasurer of the Grand Est Regional Council (since 2021)

She plays a key role in promoting professional standards and supporting the development of the accounting profession in her region.

Areas of Expertise

  • Small Business Accounting & Advisory (TPE/PME)
  • Construction, Real Estate & Personal Services Sectors
  • Business Financial Management & Structuring
  • Retirement & Social Protection Advisory
  • Professional Standards & Quality Control
  • Regional Leadership in Accounting Profession
  • Tax and Social Optimization for Business Owners

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